Burner heater for brooders and hoverers



J. D. FOSTER.

BURNER HEATER FOR BROODERS AND HovERERs.

APPLICATION FILED DEC-28,1921.

Patented Nov. 7 1922.

Patented Nov. 7, i922.

iris stares JAMES FOSTER, OF TUSCALOOSA, ALABAlVfA.

BURNER HEATER FOR BROODEBS AND HOVERERS.

Application filed December 28, 1921. Serial No. 525,420.

T 0 (all whom it may concern Be it known that if, Jim/ins D. FOSTER, a citizen of the Ilnited States, residing at Tuscaloosa, in the county of Tuscaloosa and State of Alabama, have invented certain new and useful Improvements in Burner Heaters forBrooders and Hoverers, of which the following is a specification, reference being had to the accompanying drawings.

.The present invention has for its purpose the provision of a device of this kind, wherein means is afforded for automatically regulating the temperature of the burner.

Another purpose is the provision of means for not only regulating the damper of the casing for the burner for regulating the heat therein, but also for regulating the fuel, such as oil from a tank.

Still another purpose is the provision of a burner including a fuel bowl, in which a lighted fuel saturated asbestos wicking or the like is received for starting the burner, there being a combustion plate above the fuel. bowl, so that the oil may drip from the edge of the plate into the bowl. The fuel in the bowl may be lighted, and when the combustion plate warms up as well as the centrally located feed pipe of the fuel bowl, the oil becomes vaporized and subsequently ignited, thereby creating heat on the interior-10f the burner casing which houses the burner proper. in this way heat is generated in the casing, and the temperature therein is regulated by the damper, which is automatically and thermostatically controlled.

J; further purpose consists in theprovision of a burner plate, which supports the fuel bowl and the air tubes,which are connected to the burner plate, so that air may pass upwardly through the tubes from below the burner plate, and min with the vaporized oil which discharges from thetip of the burner tube or stem, which rises from the bottom of the fuel bowl, thereby 11101 thoroughly volatilizing and vaporiz ng the mixture.

w hile the design and construction at present illustrated and forth aredeemed preferable, it is obvious that as a result of a reduction of the invention to a more practical fori'n for commercial purposes, the in vention may be susceptible of changes, and the right to these changes is claimed, provided they are comprehended within the scope of what is claimed.

The invention comprises further features and combination of parts, as will be hereinafter set forth, shown in the drawings and claimed.

in the drawings Figure l is a vertical sectional view through the improved burner, showing the same constructed in accordance with the in vention, and showing a housing, which en closes or houses the casing of the burner;

Figure? is an enlarged detail sectional view through the burner illustrating the details thereof;

Figure 3 is a horizontal sectional view on line 3 3 of Figure 2;

Figure l is an enlarged detail view of the needle valve oil feed, showing the filterer, in order to filter the oil as it passes to the needle valve; and

Figure 5 is a detail plan view of the limiting screws 26 and 2?.

:lleferring to the drawings, 1 designates the base of a conventional form of coal burnino' stove, the casing which rises from the b; ,e, and 3 the stove pipe, for carrying off the products of combustion.

(iln iously the usual grate is removed froin the stove casing, and arranged therein in lieu of the is a burner plate 4 which is provided with suitable lugs or the like 5 to engage spaces or notches 6 previously occupied by thehangers (not shown) of the grate, which has been removed and therefore not shown.

Carried by the burner plate and forming a part thereof, though not necessarily, is a fuel bowl 7, which receives the fuel. Also an asbestos wicl-zing 8 saturated with the oil, may be arranged in the bowl and ligl'ited for the purpose of starting the burner. Rising from and connected to the burner plate are draft tubes 9, which extend upwardly and are curved toward each other and over the bowl, and have their adjacent ends united by a perpendicul tube, which extends in a direction axially concentrically with the fuel bowl. The lower end of this perpendicular tube 10 opens a little above the combustion plate 1]., which is supported upon the bur e stem 12 of the fuel bowl. In fact the burner stem rises centrally from the fuel bowl and terminates in aburner tip 13 at its upper end. l

A. fuel supply pipe 14 to receive its sup ply from any suitable source is illustrated,

and passes through the base 1, and turns upwardly and is connected to the bottom of the fuel bowl, in order to convey fuel such as kerosene oil to the burner stem 15. The fuel such as kerosene oil passes up through the stem and discharges at the tip upon the combustion plate, where it spreads and drips off the thereof into the fuel bowl, and after the combustion platebecomes thoroughly heated, as well as the stem, the oil becomes vaporizedfand after it vaporizee and discharges from the burner tip, it is more thoroughly volatilized by a supply of air discharging at thelcwer end of the tube 10.

Passing upwardly through the fuel bowl is an overflow pipe 16, the top of which terminates in a short distance below the level of the upper edge of the bowl.

The overflow pipe 16 acts as a safety device to carry oii' an oversupply of oil to a suitable place of safety such as the receptacle 17 or to any other place, and thereby preventing flooding the stove or burner and the surrounding parts, and also avoiding burning of the oil under and out of the stove or burner. The fuel bowl receives the oil or fuel only at the time of starting the burner, by placing the saturated asbestos therein, or when an oversupply of oil is fed to the burner.

The burner tip 13 of the burner stem comprises a cap, which is provided with a series of perforations or apertures 18, through which the oil passes. This cap is threaded upon the upper end of the burner stem, and may be removed at any time for cleaning or for the purpose of being replaced by a new cap.

The pipe 14- has an. upwardly extended part 19, and is connected to a casing 20 of a needle valve21. The needle'valve 21 cooperates with a needle valve seat 22, and connected to the needle valve 21 is a lever 23, which is pivoted in any suitable manner as at '24, and mounted in the guides 25. Suitable limiting screws 26 and 27 are provided for limiting the lever 23 in its movement, and thereby in turn regulating the needle valve in its opening positions, whether it be its minimum or maximum open positions, or the intermediate positions thereof.

A suitable support 29 is provided, and it comprises a webbed standard, whichterminates in a metal base 30. It is obvious that this standard and its base may be constructed of any suitable material, preferably metal, such as cast iron, though it may be construc ed of wood, and the base 30 thereof may be secured to the flooring 28 in any suitable manner, preferably by means of screws, bolts, or the like. Mounted upon the upper end of the supportis a tank supporting base 31, which is cylindrical, and which supports an inverted glass jug or other suitable container or tank 32. The oil in the tank discharges atits lower point into the base 81, and then filtered by the filterer 38, and is then allowed to enter the passage to the needle valve. The filterer may be .of any suitable construction, and may be constructed of any suitable filtering. material. For instance the filterer, in the present instant, comprises one or more layers of chamois skin 33 held in place by the discs 33 made up of wire fabric or the like. It is obvious that any other suitable filtering device may be employed.

Feeding of the oil is controlled by the valve, and in order to automatically control the oil, the lower end of the lever 23 has attached thereto a rod 3%, which in turn is connectedto the arm 35 of the damper 36. The needle valve is of a lever and spring type. In other words the needle valve includes aspring 37 which acts to hold the needle valve normally closed or normally limited by the screw which holds the needle valve in a minimum open position. The arm 35 of the damper 36 is in turn connected to a conventional form of thermostat 38 by means of the rod 39. A housing 40 houses the casing 2, from which considerable heat radiates, for heating the space on the interior of the housing 40. This heat passes from under the housing, and acts to heat up the brooder hoverer. The heat may be regulated, as well as the feed of the oil, due to the action of the thermostat. lVhen the heat reaches a certain temperature, the thermostat will act to open the damper 36, which, in turn will pull upon the rod 34, and thereby actuate the lever 23, sufliciently to move the needle valve toward its minimum open position, and thereby close down on the flow of oil through the perpendicular part 19 and the pipe 14. "When the heat decreases, the thermostat will act to push upon the rod 39 and close the damper, which in turn will push upon the rod 34, and upon the needle valve, thereby permitting a greater flow of oil to enter the portion 19 and the pipe 1a, and thereby increase the fuel to the burner. The heat will then increase, and then the damper will automatically open and reduce the heat.

The burner plate is arranged in the casing, so that there is practically an air-tight joint between the plate and the casing. The space above the burner plate receives an air flow through the draft tubes 9. The air in the space below the burner plate is supplied through the ash door opening of the stove casing, it being obvious that the supply of air is controlled by the door, which is mounted in said opening. The air which enters the air tubes is exhausted at the lower end of the perpendicular tube 10. The quantity of oil depends entirely upon the temperature desired, the same being automatically controlled by the action of the thermostat, which is a part of the regulator equipment of the burner. The burner gives off an orange colored flame, the combustion being such as to give off no smoke at the stove pipe, and furthermore all carbon is consumed.

The invention having been set forth, what is claimed is 1. In a burner, a casing, a burner plate therein provided with air tubes rising there from and curved toward and connected to each other, a perpendicular tube uniting the adjacent ends of the first air tubes, and a burner supported upon the burner plate immediately below and concentrically with the perpendicular air tube, said burner comprising a fuel bowl on the burner plate, a burner stem rising centrally from the fuel bowl, a combustion plate on the upper end of the burner stem, a perforated cap on the upper end of the stem and above the combustion plate, whereby the oil may discharge therefrom and spread over the combustion plate, from the edge of which it may drip into the fuel bowl.

2. In a burner for the purpose indicated, a casing, a plurality of air tubes extending upwardly and curved toward each other, a perpendicular air tube connecting the adjacent ends of the first air tubes, a burner plate supporting said air tubes, a fuel bowl on the burner plate immediately under the perpendicular air tube and having a burner stem rising therefrom and concentric with the perpendicular air tube, a combustion plate supported on the stem, a perforated cap for the extremity of the stem, whereby the oil is caused to percolate through the perforations and spread over the combustion plate.

3. In a burner for the purpose indicated, a casing, a plurality of air tubes extending upwardly and curved toward each other, a perpendicular air tube connecting the adj acent ends of the first air tubes, a burner plate supporting said air tubes, a fuel bowl on the burner plate immediately under the perpendicular air tube and having a burner stem rising therefrom and concentric with the perpendicular air tube, a combustion plate supported on the stem, a perforated cap for the extremity of the stem, whereby the oil is caused to percolate through the perforations and spread over the combustion plate, and means for automatically controlling the fuel to the burner.

4. In a burner, a casing, a burner plate therein provided with air tubes rising therefrom and curved toward each other, a perpendicular air tube uniting the adjacent ends of the first air tubes where they extend toward each other, said burner plate having a fuel bowl, a burner rising from the bottom of the fuel bowl axially aligned with the perpendicular air tube, a combustion plate carried by the upper end of the burner, a perforated burner cap on the upper extremity of the burner above the combustion plateand below and axially aligned with the perpendicular air tube, the combustion plate being of less diameter than the upper margin of the fuel bowl, whereby as the oil flows from the burner cap and spreads over the combustion plate, it may.

drip from the edge of the combustion plate into the fuel bowl.

5. In a burner, a casing, a burner plate therein provided with a depending fuel bowl, a. burner rising from the bottom of the fuel bowl, an overflow pipe projecting through the fuel bowl to one side of the burner, a combustion plate mounted on the burner on a plane above the margin of the fuel bowl, whereby as the oil spreads over the combustion plate it will drip from the edge thereof into the fuel bowl, the overflow pipe adapted to carry off the overflow of oil in the fuel bowl and being offset relatively to the margin of the combustion plate to prevent the drippings from entering the overflow pipe, and a perforated burner cap on the extremity of the burner immediately above the combustion plate, whereby the oil escaping from the burner at the burner cap may spread over the combustion plate.

6. In a burner, a casing, a burner plate therein provided with a depending fuel bowl, a burner rising from the bottom of the fuel bowl, an overflow pipe projecting through the fuel bowl to one side of the burner, a combustion plate mounted on the burner on a plane above the margin of the fuel bowl, whereby as the oil spreads over the combustion plate it will drip from the edge thereof into the fuel bowl, the overflow pipe adapted to carry off the overflow of oil in the fuel bowl and being offset relatively to the margin of the combustion plate to prevent the drippings from entering the overflow pipe, a plurality of air tubes rising upwardly from the burner plate and curved toward each other and terminating above the burner, a perpendicular air tube closed at its upper end and open at its lower end and lying axially with the burner and connecting the adjacent terminating ends of the first air tubes, whereby the air may descend toward the burner, and a perforated burner cap mounted upon the upper extremityof the burner immediately above the combustion plate and below the perpendicular air tube, whereby as the air descends from the perpendicular air tube, it will mix with and volatilize the oil and create a. .Qm'eading action of such oil over the combustion plate.

In testimony whereof I hereunto aflix my 

